एपीए उद्धरण

Petrovsky, I. G. (1964). Lectures on partial differential equations.

शिकागो स्टाइल उद्धरण

Petrovsky, I G. Lectures on Partial Differential Equations. Dover Publication, New York, 1964.

एमएलए उद्धरण

Petrovsky, I G. Lectures on Partial Differential Equations. 1964.